7225313 has 4 divisors (see below), whose sum is σ = 7231428. Its totient is φ = 7219200.

The previous prime is 7225303. The next prime is 7225327. The reversal of 7225313 is 3135227.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 3508129 + 3717184 = 1873^2 + 1928^2 .

It is a cyclic number.

It is not a de Polignac number, because 7225313 - 2¹⁰ = 7224289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7225303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 656 + ... + 3857.

It is an arithmetic number, because the mean of its divisors is an integer number (1807857).

Almost surely, 2^7225313 is an apocalyptic number.

It is an amenable number.

7225313 is a deficient number, since it is larger than the sum of its proper divisors (6115).

7225313 is a wasteful number, since it uses less digits than its factorization.

7225313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6114.

The product of its digits is 1260, while the sum is 23.

The square root of 7225313 is about 2687.9942336248. The cubic root of 7225313 is about 193.3239032922.

The spelling of 7225313 in words is "seven million, two hundred twenty-five thousand, three hundred thirteen".